Observation of γ-phase suppression effect in soft-magnetic FeCo-(3–6) %V alloys under high pressure torsion

A. M. Glezer, D. V. Louzguine-Luzgin, L. F. Muradimova, S. O. Shirshikov, M. A. Libman, I. V. Shchetinin, N. S. Perov, D. L. Dyakonov, R. V. Sundeev

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The effect of high pressure torsion (НРТ) at 77 and 295 K on the phase composition of (FeCo)100-xVx (x = 0–6.0) soft magnetic alloys were studied by X-ray diffraction, transmission electron microscopy and magnetometry. It was established that HPT leads to the suppression of excess γ phase in the alloys containing 3.0–6.0% V. It was concluded that the observed effect by analogy with the TRIP effect is a consequence of the strain-induced γ→α martensitic transformation. It was found that the suppression of the paramagnetic γ-phase leads to a noticeable increase in the specific saturation magnetization.

Original languageEnglish
Article number106615
JournalIntermetallics
Volume115
DOIs
Publication statusPublished - 2019 Dec

Keywords

  • High-pressure torsion
  • Magnetic properties
  • Martensitic transformation
  • Severe plastic deformation
  • Specific saturation magnetization
  • TRIP effect

ASJC Scopus subject areas

  • Chemistry(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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